ACK: [SRU][Artful][PATCH 0/2][v2] Fixes for LP:1746474

Kleber Souza kleber.souza at canonical.com
Mon Apr 30 16:29:07 UTC 2018


On 04/27/18 21:00, Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1746474
> 
> == SRU Justification ==
> Commit 52df157f17e5 introduced a regression in v4.13-rc1.  This regression
> causes a stack trace to occur when tearing down an LXD container.  The process
> hangs with the following message:
> 
> "unregister_netdevice: waiting for eth0 to become free. Usage count = 5"
> 
> This regression is fixed by commit 510c321b5571, which is in mainline as of
> v4.16-rc7.  The fix is needed in Artful and Bionic.  However, Artful needs
> commit 9620fef27ed2 as a prereq commit, so it's SRU request es beinsss sent separately.
> 
> 
> == Fixes ==
> 9620fef27ed2 ("ipv4: convert dst_metrics.refcnt from atomic_t to refcount_t")
> 510c321b5571 ("xfrm: reuse uncached_list to track xdsts")
> 
> == Regression Potential ==
> Low.  This commit is to fix a current regression.
> 
> == Test Case ==
> A test kernel was built with these patches and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Eric Dumazet (1):
>   ipv4: convert dst_metrics.refcnt from atomic_t to refcount_t
> 
> Xin Long (1):
>   xfrm: reuse uncached_list to track xdsts
> 
>  include/net/dst.h        |  3 ++-
>  include/net/ip6_route.h  | 13 +++++++++++++
>  include/net/route.h      |  3 +++
>  net/core/dst.c           |  6 +++---
>  net/ipv4/fib_semantics.c |  4 ++--
>  net/ipv4/route.c         | 23 ++++++++++++++---------
>  net/ipv4/xfrm4_policy.c  |  4 +++-
>  net/ipv6/route.c         |  4 ++--
>  net/ipv6/xfrm6_policy.c  |  4 ++++
>  9 files changed, 46 insertions(+), 18 deletions(-)
> 

Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>

Clean cherry-pick for 1/2, and backport for 2/2 looks good to me.

Thanks,
Kleber




More information about the kernel-team mailing list